The term "heart disease" refers to several types of heart conditions. The most common type of heart disease in the United States is coronary artery disease, which affects the blood flow to the heart.
Ophthalmology is a branch of medicine and surgery that deals with the anatomy, physiology and diseases of the eyeball and orbit. An ophthalmologist is a specialist in medical and surgical eye disease
Urology is the field of medicine that focuses on diseases of the urinary tract and the male reproductive tract. Some urologists treat general diseases of the urinary tract.
Podiatry or podiatric medicine is a branch of medicine devoted to the study, diagnosis, and medical and surgical treatment of disorders of the foot, ankle and lower extremity.
Oncology is a branch of medicine that deals with the prevention, diagnosis and treatment of cancer.
Psychiatry is the medical specialty devoted to the diagnosis, prevention and treatment of mental disorders.